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/*****************************************************************
* gmerlin-avdecoder - a general purpose multimedia decoding library
*
* Copyright (c) 2001 - 2024 Members of the Gmerlin project
* http://github.com/bplaum
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#include <opus.h>
#include <stdlib.h>
#include <config.h>
#include <avdec_private.h>
#include <parser.h>
#include <opus_header.h>
static int get_format(bgav_packet_parser_t * parser)
{
int ret = 0;
bgav_opus_header_t h;
bgav_input_context_t * input_mem;
input_mem = bgav_input_open_memory(parser->ci->codec_header.buf,
parser->ci->codec_header.len);
if(!bgav_opus_header_read(input_mem, &h))
goto fail;
parser->afmt->num_channels = h.channel_count;
parser->afmt->samplerate = 48000;
bgav_opus_set_channel_setup(&h, parser->afmt);
// if(parser->s->opt->dump_headers)
// bgav_opus_header_dump(&h);
parser->ci->pre_skip = h.pre_skip;
ret = 1;
fail:
bgav_input_destroy(input_mem);
return ret;
}
static int parse_frame_opus(bgav_packet_parser_t * parser, bgav_packet_t * p)
{
p->duration = opus_packet_get_nb_samples(p->buf.buf, p->buf.len, 48000);
// fprintf(stderr, "parse_frame_opus:\n");
// gavl_packet_dump(p);
return 1;
}
void bgav_packet_parser_init_opus(bgav_packet_parser_t * parser)
{
get_format(parser);
parser->parse_frame = parse_frame_opus;
}
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